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It means self-feeder. This is the lowest level on the food web/chain. ex. bacteria or fungi
A filter feeder is an animal that that cleans out the bottom of the ocean or fishboll. A kind of fish is a filter feeder. NO - you're thinking of a scavenger - A filter feeder eats plankton and other small particles in the sea. They pull water through their body, straining it for food - push the water back out and eat any solids found.
The type of food you place in your bird feeder depends upon which type of feeder it is. The most common food to feed the wild birds is black oil sunflower seed.
Do not put beech in a hummingbird feeder and present this as food to the birds, it will kill them.
They are the top predator although humans will poach the tigers but they are still the top predators. Due to this they only get 0.1% of the energy that came from the feeder at the bottom of the food chain.
They are not getting enough food.
Any container with a restricted opening at the bottom can be made into an auto feeder. As the chickens peck at the feed , gravity will force the food above down to replace the used food. A clean used plastic milk jug with the bottom cut off hanging upside down in a pan works. Just make sure the small opening is close to the feed tray.
By getting enough sleep, Eating healthy food, and getting the right education.
Either they are not getting enough food or they are stressed out.
because they were not getting enough food to eat
A clam is a type of feeder known as a filter feeder. Filter feeders strain particles like food from the water using an internal filtering system.
You shouldn't expect the plecos to survive just on algae. Get some bottom feeder pellets for them. They need food. Also, that tank is much too small for two plecos, let alone six other fish.